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Old 04-03-2013, 01:08 PM
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Engine not firing up.

Hello folks,

I am helping a friend work on his car, this is what's happening.

It is a 383 small block chevy purchased as a crate motor. It has a 625 street demon carb. with an HEI distributor...

The engine is cranking but will not start. When the engine acts like it's going to start, I get a pop/backfire through the throttle body of the carb., no flame or fuel smell though. I was told that some one else was messing with the adjustments of the carburetor... Also, it looked as if some one mixed up the firing order when they changed the spark plugs, so I re installed the plug wires according to the chevy manuel...

Can anybody give me some ideas of how to solve this problem?

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Old 04-03-2013, 02:31 PM
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Quote:
Originally Posted by BikingTooHealth View Post
The engine is cranking but will not start. When the engine acts like it's going to start, I get a pop/backfire through the throttle body of the carb., no flame or fuel smell though.

Can anybody give me some ideas of how to solve this problem?
Sure sounds like the distributor is 180 deg out.
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Old 04-04-2013, 02:41 AM
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Thank you for sharing your idea... I've had a continues hunch that somethings up with that distributor...
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Old 04-19-2013, 09:06 PM
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Here's ignition timing and valve adjustment all in one tutorial......
http://www.crankshaftcoalition.com/w...stment_SBC/BBC
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